Trending @Accenture; ATCI.Salesforce

Could you please help me.......I want to switch my domain to Salesforce and My manager nominated me in the Switch to Salesforce program which is run by Atci.salesforfe...I received my nomination confirmation on 20th march but till now there is no further communication happening...I mailed several times to ATCI.Salesforce but they are not responding at all.....I appreciate your response buddies and also if anyone is working in salesforce admin project please respond.